CDCLarue's new Pulse-Bac PB-2150 is a portable vacuum with an electronic sensor that detects when the collection tank is full. The vacuum also can collect and discard dust and debris simultaneously. The Pulse-Bac Technology stops the filters from becoming caked with dust and debris and prvents clogging during operation by internally flushing the filters. The vacuum's conical-shaped filters can collect dust particles as small as .1 micron in size, produces 450 cfm with 70-in. of lift and weighs 200 lbs.